Cephalopoda - Ammonitida - Sphaeroceratidae
Alternative combination: Kheraiceras abruptum
Full reference: R. W. Imlay. 1953. Callovian (Jurassic) ammonites from the United States and Alaska Part 2. Alaska Peninsula and Cook Inlet regions. United States Geological Survey Professional Paper 249-B:41-108
Belongs to Iniskinites according to R. W. Imlay 1975
See also Imlay 1953
Sister taxa: Iniskinites andinus, Iniskinites cepoides, Iniskinites crassus, Iniskinites evolutus, Iniskinites intermedius, Iniskinites magniformus, Iniskinites martini
Type specimen: USNM 108049, a shell. Its type locality is USGS Mesozoic 22433, Iniskin Bay, which is in a Callovian marine siliciclastic in the Chinitna Formation of Alaska.
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of United States (4: Alaska collections)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.